Clamp for the shaft of a static umbrella



FIG. 1 is a perspective view of a clamp for a static umbrella showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a top plan view; and

FIG. 6 is a bottom plan view. 

The ornamental design for a clamp for the shaft of a static umbrella, as wn and described. 